Syndax Pharmaceuticals Inc
SNDX- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001395937
In the last 90 days, Syndax Pharmaceuticals Inc insiders filed 0 open-market purchases and 1 sale; 242 institutions reported holding it in 13F filings for Q2 2026, worth $2.36B in total; no superinvestor holds it.
13F holders, Q2 2021
Institutional positions in Syndax Pharmaceuticals Inc as of Jun 30, 2021. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 115
- −15 vs. Q1 2021
- Shares held
- 50.2M
- +1.72M (+3.6%) vs. Q1 2021
- Total value
- $861.9M
- −$222.0M (−20.5%) vs. Q1 2021
- New holders
- 11
- 54 more added
- Sold out
- 26
- 31 more reduced
Compare with Q1 2021: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting SNDX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 242 | $2.36B |
| Q1 2026 | 247 | $2.32B |
| Q4 2025 | 230 | $2.10B |
| Q3 2025 | 227 | $1.56B |
| Q2 2025 | 217 | $952.6M |
| Q1 2025 | 219 | $1.24B |
| Q4 2024 | 216 | $1.30B |
| Q3 2024 | 210 | $1.71B |
| Q2 2024 | 196 | $1.79B |
| Q1 2024 | 189 | $2.15B |
| Q4 2023 | 177 | $1.92B |
| Q3 2023 | 175 | $1.03B |
| Q2 2023 | 166 | $1.48B |
| Q1 2023 | 163 | $1.54B |
| Q4 2022 | 160 | $1.82B |
| Q3 2022 | 139 | $1.44B |
| Q2 2022 | 121 | $1.06B |
| Q1 2022 | 136 | $948.4M |
| Q4 2021 | 132 | $1.15B |
| Q3 2021 | 123 | $938.0M |
| Q2 2021 | 115 | $861.9M |
| Q1 2021 | 130 | $1.08B |
Institutions, Q2 2021
Shares, value and share of portfolio for each institution holding Syndax Pharmaceuticals Inc; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Frazier Management LLC | 1,188,135 | $20.4M | 1.88% | −246,910−17.2% | Reduced |
| Casdin Capital, LLC | 1,200,000 | $20.6M | 0.52% | +200,000+20.0% | Added |
| Wellington Management Group LLP | 1,635,931 | $28.1M | 0.00% | −1,339,061−45.0% | Reduced |
| HealthCor Management, L.P. | 1,751,342 | $30.1M | 1.23% | +379,862+27.7% | Added |
| Citadel Advisors LLC | 1,958,631 | $33.6M | 0.03% | −271,492−12.2% | Reduced |
| Vanguard Group Inc | 2,108,748 | $36.2M | 0.00% | +37,800+1.8% | Added |
| PFM Health Sciences, LP | 2,144,881 | $36.8M | 1.19% | +660,654+44.5% | Added |
| Boxer Capital, LLC | 2,287,782 | $39.3M | 1.39% | 00.0% | Unchanged |
| BVF Inc | 2,486,429 | $42.7M | 1.60% | +2,322,905+1,420.5% | Added |
| Adage Capital Partners GP, L.L.C. | 2,491,272 | $42.8M | 0.08% | +741,272+42.4% | Added |
| Nantahala Capital Management, LLC | 2,593,337 | $44.5M | 2.46% | +590,927+29.5% | Added |
| Avoro Capital Advisors LLC | 3,000,000 | $51.5M | 0.90% | +500,000+20.0% | Added |
| State Street Corp | 3,170,432 | $54.4M | 0.00% | +516,961+19.5% | Added |
| BlackRock Inc. | 3,519,894 | $60.4M | 0.00% | +842,389+31.5% | Added |
| Avidity Partners Management LP | 4,615,000 | $79.2M | 2.14% | +769,000+20.0% | Added |
| Ra Capital Management, L.P. | 0 | $0 | 0.00% | −1,023,067−100.0% | Sold out |
| VR Adviser, LLC | 0 | $0 | 0.00% | −591,782−100.0% | Sold out |
| Sofinnova Investments, Inc. | 0 | $0 | 0.00% | −298,644−100.0% | Sold out |
| Perceptive Advisors LLC | 0 | $0 | 0.00% | −270,000−100.0% | Sold out |
| Altium Capital Management LP | 0 | $0 | 0.00% | −253,448−100.0% | Sold out |
| Commodore Capital LP | 0 | $0 | 0.00% | −236,500−100.0% | Sold out |
| Tri Locum Partners LP | 0 | $0 | 0.00% | −180,261−100.0% | Sold out |
| Sio Capital Management, LLC | 0 | $0 | 0.00% | −146,142−100.0% | Sold out |
| Janus Henderson Group PLC | 0 | $0 | 0.00% | −141,325−100.0% | Sold out |
| California Public Employees Retirement System | 0 | $0 | 0.00% | −54,600−100.0% | Sold out |
| Ikarian Capital, LLC | 0 | $0 | 0.00% | −40,913−100.0% | Sold out |
| Candriam Luxembourg S.C.A. | 0 | $0 | 0.00% | −25,671−100.0% | Sold out |
| Marshall Wace North America L.P. | 0 | $0 | 0.00% | −24,190−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −19,033−100.0% | Sold out |
| AQR Capital Management LLC | 0 | $0 | 0.00% | −18,680−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −10,359−100.0% | Sold out |
| Algert Global LLC | 0 | $0 | 0.00% | −9,550−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −7,832−100.0% | Sold out |
| Pacer Advisors, Inc. | 0 | $0 | 0.00% | −3,402−100.0% | Sold out |
| Bank of Montreal | 0 | $0 | 0.00% | −2,256−100.0% | Sold out |
| Reilly Financial Advisors, LLC | 0 | $0 | 0.00% | −2,000−100.0% | Sold out |
| Cutler Group LP | 0 | $0 | 0.00% | −1,500−100.0% | Sold out |
| Dorsey Wright & Associates | 0 | $0 | 0.00% | −1,410−100.0% | Sold out |
| FORA Capital, LLC | 0 | $0 | 0.00% | −1,306−100.0% | Sold out |
| Mesirow Financial Investment Management, Inc. | 0 | $0 | 0.00% | −894−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −700−100.0% | Sold out |